Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack
SKU: 50794525318

Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack

Sale price$103.49 Regular price$114.99
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Hillman 3/8 in. x 7 in. Hot-Dipped Galvanized Steel Carriage Bolt, 50-Pack3 8 in. x 7 in. Galvanized Carriage Bolts (50 Pack) Heavy duty Hillman carriage bolts built from steel with a hot dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or wood to metal with a smooth, low profile dome head and square shoulder that locks into lumber. Key Features: Corrosion Protection: Hot dipped galvanized finish resists rust in outdoor and coastal applications Secure Hold: Square shoulder bites

3/8 in. x 7 in. Galvanized Carriage Bolts (50-Pack)

Heavy-duty Hillman carriage bolts built from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood-to-wood or wood-to-metal with a smooth, low-profile dome head and square shoulder that locks into lumber.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized finish resists rust in outdoor and coastal applications
  • Secure Hold: Square shoulder bites into wood to prevent spinning during tightening
  • Clean, Low-Profile Look: Domed head provides a semi-flush finish without a washer
  • Durable Construction: Grade 2 steel with coarse threads for reliable assembly
  • Contractor Value: Bulk 50-pack boxed for efficient jobsite stocking

Specifications Table:

Specification Details
Diameter 3/8 inch
Length 7 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse
Unit of Measurement SAE
Head Style Round/Dome carriage head
Shoulder Square shoulder
Number in Package 50 pack
Packaging Type Boxed
Intended Use Fastening wood to wood or wood to metal
Package Dimensions (HxWxL) 4 in x 9 in x 4.5 in
Package Weight 12.7 lbs

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed to fasten a wooden face to either a wood or metal frame.


Q: Do I need a washer under the head?
A: Typically no—the domed head and square shoulder are designed to eliminate the need for a flat washer on the head side.


Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish offers strong rust prevention for exterior projects.


Q: What thread type do these bolts use?
A: SAE coarse thread.


Q: How many bolts are in the package?
A: 50 pieces per retail package.


A Clean, Industrial Accent with Enduring Strength

I love the quiet confidence of a domed carriage head—streamlined, effortless, and a touch architectural. The hot-dipped galvanization lends a soft, chalky silver that feels chic against weathered timber or painted millwork. Use them as a handsome detail on outdoor gates or bench frames, letting the round heads punctuate the surface like jewelry. They’re the subtle hardware essential that elevates everyday builds to elevated living.


Anchor your next project with these corrosion-resistant carriage bolts and build with confidence that lasts.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50794525318

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E. Gene Ott
Massapequa, US
★★★★★ 5
Great in small spots
Size: 5 Ft, Color: White
This works great for that small area you need a few extra plugs and some special connections. Easily mounts to wall and very durable and I love tar I can adjust the cord length to it does t look so intrusive
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Reviewed in the United States on May 29, 2026
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Martin DeCarr
Lake Worth, US
★★★★★ 5
Great, reasonable price.
Size: 10 Ft, Color: White
A greatvupgrade, useful item.
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Reviewed in the United States on May 19, 2026
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Brooke Boutsikakis
Birmingham, US
★★★★★ 5
Works great
Size: 5 Ft, Color: White
Very handy
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Reviewed in the United States on May 30, 2026
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AZ
Bozeman, US
★★★★★ 4
Delayed Delivery, Way Late/Good product
Size: 10 Ft, Color: White
Good product. As advertised. Using it now! If you need normal fast Prime Style Delivery buy from another vendor! Delivery/shipping was delayed way too much!
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Reviewed in the United States on May 26, 2026
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John F.
Port Orchard, US
★★★★★ 5
Works perfectly with very fast usb charging
Size: 5 Ft, Color: White
The USB charging ports are fast charging! Faster than any other i have bought in the past.
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Reviewed in the United States on May 28, 2026

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